Home / 3,178,765.25-4,768,148.78-934,903.25

Finding the Fourth Proportional to 3,178,765.25, 4,768,148.78 and 934,903.25

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Solution

The fourth proportional to 3,178,765.25, 4,768,148.78 and 934,903.25 is: 1,402,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,765.25 : 4,768,148.78 = 934,903.25 : x
  2. Step 2: Convert to fraction form
    3,178,765.25/4,768,148.78 = 934,903.25/x
  3. Step 3: Cross multiply
    3,178,765.25x = 4,768,148.78 × 934,903.25
  4. Step 4: Simplify right side
    3,178,765.25x = 4,457,757,762,390.28
  5. Step 5: Solve for x
    x = 4,457,757,762,390.28/3,178,765.25
  6. Step 6: Final answer
    x = 1,402,355.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.